<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>demo</title>
    <script src="//cdn.bootcss.com/jquery/2.1.4/jquery.min.js"></script>
    <script type="text/javascript">
        $(function(){
            $('#demo').click(function(){

                var args = {
                    "time" : new Date()
                };
                //获取当前网址，如： http://localhost:8083/uimcardprj/share/meun.jsp
                var curWwwPath=window.document.location.href;
                //获取主机地址之后的目录，如： uimcardprj/share/meun.jsp
                var pathName=window.document.location.pathname;
                var pos=curWwwPath.indexOf(pathName);
                //获取主机地址，如： http://localhost:8083
                var localhostPath=curWwwPath.substring(0,pos);
                //获取带"/"的项目名，如：/uimcardprj
                var projectName=pathName.substring(0,pathName.substr(1).indexOf('/')+1);
                var url = localhostPath + projectName +"/enroll/hello.json";
                $.post(url, args, function(data){
                    console.info(data);
                });
            });
        });





    </script>
</head>
<body>
<a href="#" id="demo">demo</a>
</body>
</html>